My major is computational mathematics, and my research direction is numerical algebra and numerical solutions of algebraic-differential equations. He has successively presided over 2 projects of National Natural Science Foundation, key project of Jiangsu Natural Science Foundation 1, 2 projects of Jiangsu Natural Science Foundation, natural science foundation project of Jiangsu Education Commission 1, "Blue Project" and "333 Project" of Jiangsu Province, fund for returned overseas students of Provincial Education Commission, and educational reform project of Education Department 1. Participated in undertaking 2 national natural science foundation projects and 2 natural science foundation projects of Jiangsu Provincial Department of Education. He has published more than 70 professional papers at home and abroad and won 4 scientific and technological progress awards in Jiangsu Province. Doctoral dissertations were rated as national excellent doctoral dissertations.